Magnetic properties of Pr-Fe-Co-B bonded HDDR magnets with alloying additions

Galego, Eguiberto; Takiishi, Hidetoshi; Faria, Rubens Nunes de

doi:10.1590/s1516-14392007000300010

Cited by 4 publications

(1 citation statement)

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“…It is possible that the addition of large amounts of any element will create a large number of non-disproportionated regions and dilute the matrix phase with the appearance of new phases. The effect of Ti, V, Cr, Mo, Al, Si and P additions on the magnetic properties of bonded magnets have also been reported previously [29].…”

Section: Resultssupporting

confidence: 61%

Evaluation of Mean Crystallite Size on Magnetic Powder by Scanning Electron Microscopy and Synchrotron Diffractometry

Galego¹,

Serna²,

Faria³

2014

MSA

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This paper presents the results of investigations carried out with Pr-based magnetic powders. The magnetically hard powders were produced from homogenised alloys using a high temperature hydrogen pulverization process. Alloys and powders were investigated by scanning electron microscopy and by energy dispersive X-ray analysis. Mean crystallite size of the pulverized material was estimated using synchrotron powder diffractometry and the Scherrer method. A comparison between these two investigation techniques has been carried out. The effects of copper on the properties of the magnetic powders have been studied. It has been shown that the addition of this alloying element had a marked effect on the microstructure of the powders.

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Section: Resultssupporting

confidence: 61%